diff --git a/CHANGELOG.md b/CHANGELOG.md
index b9d2a76a3..ef5c7a82e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ## NEXT DEPLOY
 - Fix a bug: the image of the about page is not using the image set in backoffice
+- Fix a bug: updated sassc to 2.4.0 to fix ruby runtime error on some CPU architectures (#270)
 - Fix a security issue: prevent HTML code edition in projects, to prevent XSS vulnerability (#293)
 
 ## v5.1.9 2021 September 21
diff --git a/Gemfile.lock b/Gemfile.lock
index 00d4392af..731af7df2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -140,7 +140,7 @@ GEM
       i18n (>= 1.6, < 2)
     faraday (0.17.3)
       multipart-post (>= 1.2, < 3)
-    ffi (1.15.1)
+    ffi (1.15.4)
     foreman (0.87.0)
     forgery (0.7.0)
     friendly_id (5.1.0)
@@ -341,7 +341,7 @@ GEM
       rubyzip (>= 1.3.0)
     rubyzip (2.3.0)
     safe_yaml (1.0.5)
-    sassc (2.2.1)
+    sassc (2.4.0)
       ffi (~> 1.9)
     seed_dump (3.3.1)
       activerecord (>= 4)